Unlike the youngest of the Kardashian-Jenner sisters, who was undeniably born into stardom and money, these 10 billionaires have not only actually worked a day behind a desk for their companies, but also have come up from nothing to create some of today’s biggest business empires.

From entertainment icon Oprah Winfrey, to tech entrepreneur Elon Musk to legendary designer Ralph Lauren, here are 10 actual self-made billionaires who went from rags to riches. Kylie and Forbes could learn a thing or two from this bunch!